MESON Chess Problem Database
Problem Display
PID: 115162 (6rr/3p1B2/2PP1Q2/7p/RN2b1kP/8/1KP3PR/4B1N1 w - - 0 1)
Bettmann, Henry Wald
La Strategie, 1908
#2
13 + 6
| 6490 | yacpdb | 2009 |
| 136 | Problem Observer | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Qxg5#
- 1...Ra8
- 2.Qg5#
- 1...Rb8
- 2.Qg5#
- 1...Rc8
- 2.Qg5#
- 1...Rd8
- 2.Qg5#
- 1...Re8
- 2.Qg5#
- 1...Rf8
- 2.Qg5#
- 1...Bxc2
- 2.Sxc2#
- 2.Qf3#
- 1...Bxg2
- 2.Rxg2#
- 1...Bd3
- 2.Sxd3#
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 2.gxf3#
- 1...Bd5
- 2.Sxd5#
- 1...Bxc6
- 2.Sxc6#
- 1...Bg6
- 2.Qg5#
- 2.Qf3#
- 1...Bh7
- 2.Qf3#
- 1...Rg5
- Tries
- 1.Sf3?
- threat
- 2.Se5#
- 1...Bxf3
- 2.Qxf3#
- 2.gxf3#
- 1...Rg5
- 2.Qxg5#
- 1...Re8
- 2.Qg5#
- 1...Bf5!
- threat
- 1.Sa2?
- threat
- 2.Rxe4#
- 2.Qf3#
- 1...Re8
- 2.Qg5#
- 2.Qf3#
- 1...Rb8+!
- threat
- 1.Sd3?
- threat
- 2.Se5#
- 2.Rxe4#
- 2.Qf3#
- 2.Qf4#
- 1...Rg5
- 2.Rxe4#
- 2.Qxg5#
- 2.Qf3#
- 2.Qf4#
- 1...Re8
- 2.Qg5#
- 2.Qf3#
- 2.Qf4#
- 2.Qg6#
- 1...Rb8+!
- threat
- 1.Sd5?
- threat
- 2.Se3#
- 2.Rxe4#
- 2.Qf3#
- 2.Qf4#
- 1...Re8
- 2.Se3#
- 2.Qg5#
- 2.Qf3#
- 2.Qf4#
- 2.Qg6#
- 1...Rb8+!
- threat
- 1.Sa6?
- threat
- 2.Rxe4#
- 2.Qf3#
- 1...Re8
- 2.Qg5#
- 2.Qf3#
- 1...Rb8+!
- threat
- 1.Bd2?
- threat
- 2.Qf4#
- 1...Kg3
- 2.Qf4#
- 1...Bf5!
- threat
- 1.Be6+?
- 1...Bf5
- 2.Sa2#
- 2.Sd3#
- 2.Sd5#
- 2.Sa6#
- 2.Qd4#
- 2.Qxf5#
- 1...dxe6!
- 1...Bf5
- 1.Rh3?
- threat
- 2.Rg3#
- 1...Rg5
- 2.Qxg5#
- 1...Bf5!
- threat
- 1.Ra3?
- threat
- 2.Rg3#
- 1...Bd3
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 2.gxf3#
- 1...Bf5!
- threat
- 1.Qe6+?
- 1...Kf4
- 2.Sd5#
- 1...Bf5
- 2.Sa2#
- 2.Sd3#
- 2.Sd5#
- 2.Sa6#
- 1...dxe6!
- 1...Kf4
- 1.Sf3?
- Keys
- 1.Qe5!
- threat
- 2.Qxe4#
- 1...Bxc2
- 2.Sxc2#
- 1...Bxg2
- 2.Rxg2#
- 1...Bxc6
- 2.Sxc6#
- 1...Bf5
- 2.Qg3#
- 1...Re8
- 2.Qg5#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.gxf3#
- 1...Bd5
- 2.Sxd5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Bxh5#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::QAR1(L),XR(e)
- R(e);N_GUARD::QAR1(L)
- R(e);N_GUARD,P_PINS(H)::QAR1(L)
- B(a);OGATE,XP(E)::R(F),XB(a)
- B(a);::R(G)+S(H),XB(a)
- B(a);XP(J)::R(G)+S(H),XB(a)
- B(a);N_GUARD::QAB1(L)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- R(e);N_GUARD::QAR1(L),XR(e)
- R(e);N_GUARD::QAR1(L)
- Refutation
- B(a);
- Try
- S(H);P_PINB(a)
- Threat
- DUALS(2)
- Refutation
- R(e);CHECK
- Try
- S(H);P_PINB(a)
- Threat
- DUALS(4)
- Refutation
- R(e);CHECK
- Try
- S(H);P_PINB(a)
- Threat
- DUALS(4)
- Refutation
- R(e);CHECK
- Try
- S(H);P_PINB(a)
- Threat
- DUALS(2)
- Refutation
- R(e);CHECK
- Try
- B(A);
- Threat
- QAR1(L)
- Vars
- K(b);P-FLIGHT::QAB1(L)
- Refutation
- B(a);
- Try
- B(M);CHECK
- Refutation
- P(d);XB(M)
- Try
- R(F);
- Threat
- R1(F)
- Vars
- R(e);N_GUARD::QAR1(L),XR(e)
- Refutation
- B(a);
- Try
- R(G);
- Threat
- R1(G)
- Vars
- B(a);N_GUARD::QAB1(L)
- Refutation
- B(a);
- Try
- Q(L);CHECK
- Vars
- K(b);P-FLIGHT::S(H)
- Refutation
- P(d);XQ(L)
- Try
- Actual
- Q(L);
- Threat
- QAR2(L),XB(a)
- Vars
- B(a);XP(D)::R(G)+S(H),XB(a)
- B(a);OGATE,XP(E)::R(F),XB(a)
- B(a);XP(J)::R(G)+S(H),XB(a)
- B(a);SBLOCK::QAR1(L)
- R(e);N_GUARD::QAR1(L)
- B(a);::R(G)+S(H),XB(a)
- B(a);OGATE::P(E),XB(a)
- B(a);S_CUTR(e)::QAR1(L)
- B(a);S_CUTR(f)::B(M),XP(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).